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Aviation History
1938
1938 - 1804.PDF
624 FLIGHT JUNE 23, 1938. THE INDUSTRY (CONTINUED) Hangar Construction TTXPONENTS ot the Cliisarc system of building const rue- •*-* tion, Architectural Services, Ltd., have recently moved to more convenient premises at 3-5-7, Old Queen Street, London, S.W 1 The Chisarc system is particularly applicable where large unsupported spans of roof are required, and among aircraft hangars built in this way is one at Doncaster Airport. "British and Foreign Aviation" THE formation ot a company with a nominal quarter-millioncapital, under the title of " British and Foreign Avia- tion," was announced last week. The objects are stated as, inter alia, to acquire not less than '90 pei cent, of the issued share' capital of Olley Air Service, Ltd. and Air Commerce, Ltd ; to adopt certain agree- ments between Olley Air Service, Sir Hugo Cunliffe-Owen and others ; and to operate air services and aerodromes and manu- iacture, deal in and repair aircraft. Directors ate R. P. W. Adeane, Capt. G. P. Olley, Sir Hugo Cunliffe-Ouen, Earl Amherst, J. W. S. Comber, H. C. Milmar, K. M, Hayes, J, 5. Wills and L. H. Stace. No registered office is specified. - " •;. * .' .. ' • The Flexible-shaft Mfg. Co. IN a recent paragraph dealing with the incorporation of theFlexible Shaft Manufacturing Co., of Town Road, Edmon- ton, London, N.y, it was not, perhaps, made clear that during the last eighteen months thousands of pounds' worth of new machine-tool equipment has been installed in the company's own works. Their activities as manufacturers of ftexible- jhaft machinery are now extended to general engineering work." They are working to capacity on Air Ministry, Admiralty and \\*a" Office contracts.., , :._„..-. ; - . For Utird-ctteiirtiteFuel Metering T/'• '* accuracy^no. less than plus or minus 0.2 per J-^ cent.—is the chief claim made by Tecalemit,. Ltd.-, -for- their new ,'.'- Tecalemtter " metering equipment for the supply of fuels, lubricating oils and other" liquids. Tecalemeters are designed for use on refuelling tenders, bulk storage equipment, fuel mixing plant, and so forth. •••••. Perusal of the very informative brochure issued in connection with the Tecalemetcr reminds one that super-accurate measure-, went of liqii'tdi \> t merely a matter of pumping the stuff into a gallon; measure and out again, stance, For in-,there is the matter of temperature.! With petrol and similar fuels an expansion or contraction figure of 0.11 per cent., per degree C., must he taken into account. All Tec ale m eters, therefore, are supplied with t h e r m o s t a tic compensation un- less otherwise specified. Again, air and water must be com- pletely elimin- ated if the fuel is to be measured with dead accur- acy, and a range of suitable e 1 i m i n a tors is available for use with the equip- ment. Without going deeply into the construction of the instrument, it may be said thai the Tecalemeter has four metering cylinders swept by radially disposed pistons operating the centrally disposed INFORMAL PORTRAIT of Mr. Hubert Scott-Paine, chair- man and managing director of the British Power Boat Company^ which, as most Fligh! readers know, supplies large numbers of its specialised craft to the Air Ministry. The organisation as recorded last week, has recently been incor- porated as a limited company with a privately placed •-->-» . share-capital of ^750,000. crankshaft which actuates whatever type of recording unit: may be fitted. The crankcase is permanently oil filled. • Mounted.on.the crankshaft are a rotating disc valve and self- accomin.oda.ting seal. There seems to be no limit to the purposes to which the Tecalemeter is adaptable. With the use of a pre-set device,, it can be used for-fully automatic blending of liquids in pre- determined proportions. Again, a single meter and pipe-line,- with "Tn-Ex", indicator, will .show at a glance the state.of • a balk storage system, with deliveries in and out and present- stock in tank. . . , Two main types of Tecalemeter are available, one a very' freeTrunning type to deal with.gravlty>fed supply and the .other-V to handle .pumped liquid... • -.. •;•. . . • • •: Full details are obtainable from the Meter and Fuel Handling. Department, Tecalemit, Ltd., Great West Road, Brentford, Middlesex. - ;1\ ; .. i. .••;.>*• ; -=r.-:.-. - .* ,••• . .- . . — •'- --' Cast PistonsS PECIALLOID-pistons for aircraft engines are exhaustively dealt with in a new brochure issued by the makers, Specialloid, Ltd., Friern Park, London, N.z. • The pistons are cast in Specialloid " Y" alloy to Specifica- tion L.35, and the brochure,gives details of comparative tests with this material and forged alloys. ', Aero engine manufacturers, supplying details or drawings are offered a complete report, together with a drawing 'pre-' pared. :to show an interchangeable Specialloid design based on the recommendations. •••:•. <•• •/• •» • .^.-.J..- ... •*••*;- One type of Tecalemeter, with indicating dial and four-cylinder metering unit. (The 30035, :if!9«9. :U()74, 2:17. 'J093. 14856. '20729, 2501.8. 25050. 20620. 31469. 31733. 31847. 32885. 33105. AERONAUTICAL PATENT SPECIFICATIONS numbers in brackets are those under which the Specifications vill.ite-printed and abridged et€.) (Publ-shed futie !l, 1938.) ' , CIERVA AUTOGIRO Co., LTI>., BENNET, J. A. J., and ELLIB, G. B. L.: •Aircraft sustaining rotors (485,001). PILOT RADIO CORPORATION : Radio receiving-apparatus (485,007). . EVANS, A. F., and WELLS, R. C.: Variable-pitch airscrews for aircraft(485,102). . AIRCRAFT COMFONENTS, LTD., and Boi-su, R. H. : Breakable radius rod or like elements for retractable aircraft undercarriages (484,938). SIEMENS APPARATE I.TJD MASCHINKN GES : Navigational appliances par-ticularly for aircraft having rate-of-timi indicator (4S5.04:)). i. ALMONACID, V. A. : Mechanical transmission systems for aircraft (485,05:1). I, DEUTSCHE VFHSUCHSANSTALT FI;R LVPTFAHRT, E. V. : Landing flaps onaircraft (485,060). TELEFUNKEN GES. FUR DRAHTLOSE TELEGRAPHIK : Navigation aiding radio receivers (4^,774). SIEMENS APPARATE VKD MASCHINEX GES : Gyroscopic steering-apparatos BEKDIX WESTINGHOI.SE AUTOMOTIVE AIR BRAKE CO. : Variable-speedtransmission control mechanisms (485,145). Published June 16, 1938.) AUTOMOTIVE PRODUCTS CO., LTD., and PARKER, S. M. : Liquid pressureremote-control systems (485,407). BRISTOL AEROPLANE CO., LTD., and FEDPEN. A. H. R. : Centrifugal com-pressors' (485,203). MARCONI'S WIRELESS TELEGRAPH CO., LTD. (Tel:•funken G<s. Fiir VrdhtkmTelesraphie) : Radio direction finders (485,584). AIKWORK, LTD., and ADDINEU., H.: Advertising or like appliances toraircraft (485,5»«). BROOKFIEUD, J. C.: Means for preventing the formation of ice on the wiujs5 'and/or fuselage of aircraft (485,395).
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